This standard specifies the terms and definitions, models, types, basic parameters and working conditions, technical requirements, test methods, inspection rules, marks, packaging, Transport and storage. This standard applies to the ultra-clean filling process for filling liquids (hereinafter referred to as "materials") in plastic bottles such as polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), etc. Filling equipment with plastic caps or lid film closures.